CI/CD

Add Russia holidays localization: th #5312

Job	Run time
Run pre-commit	35s
CodeQL	1m 26s
Test Python 3.9 on macos-latest	1m 12s
Test Python 3.10 on macos-latest	51s
Test Python 3.11 on macos-latest	55s
Test Python 3.12 on macos-latest	42s
Test Python 3.13 on macos-latest	48s
Test Python 3.9 on ubuntu-latest	1m 1s
Test Python 3.10 on ubuntu-latest	1m 6s
Test Python 3.11 on ubuntu-latest	1m 0s
Test Python 3.12 on ubuntu-latest	1m 34s
Test Python 3.13 on ubuntu-latest	1m 10s
Test Python 3.9 on windows-latest	1m 51s
Test Python 3.10 on windows-latest	1m 47s
Test Python 3.11 on windows-latest	1m 53s
Test Python 3.12 on windows-latest	2m 18s
Test Python 3.13 on windows-latest	2m 11s
Test docs build	40s
Build distribution	20s
Test build on macos-latest	27s
Test build on ubuntu-latest	51s
Test build on windows-latest	2m 53s
Publish generated artifacts	0s
	27m 31s

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